Abstract: A display apparatus and a display method are provided. The display apparatus includes: a receiver configured to receive a broadcasting signal; a display unit configured to display a content included in the received broadcasting signal on a full screen; a control signal receiver configured to receive a control signal from a remote controller; and a controller configured to, if it is determined that a screen dividing signal has been input through the remote controller, divide the full screen into a plurality of divided screens to add a new screen. The controller sets the new screen of the plurality of divided screens to be controlled according to the control signal and displays the new screen so as to distinguish the new screen to be controlled from the other divided screens.

Abstract: A multi-chip package may include first and second semiconductor chips, an insulating layer structure and a plug structure. The first semiconductor chip may include a first bonding pad. The second semiconductor chip may be positioned over the first semiconductor chip. The second semiconductor chip may include a second bonding pad. The insulating layer structure may cover side surfaces and at least portions of upper surfaces of the semiconductor chips. The plug structure may be formed in the insulating layer structure by a plating process. The plug structure may be arranged spaced apart from side surfaces of the semiconductor chips to electrically connect the first bonding pad and the second bonding pad with each other. A third semiconductor chip having a third bonding pad may be positioned over the second semiconductor chip. Thus, a process for forming a micro bump between the plugs need not be performed.

Abstract: An apparatus for measuring performance of a coherent optical receiver includes a beam splitter splitting light into first and second paths, a first optical modulator modulating the first path light, a variable optical attenuator controlling an optical power of the first optical modulator, a first polarization controller transmitting a signal controlling polarization of an output of the variable optical attenuator to the coherent optical receiver, a second optical modulator modulating the second path light, a variable optical delay line delaying time of an output of the second optical modulator, a second polarization controller transmitting a signal controlling polarization of an output of the variable optical delay line to the coherent optical receiver, a network analyzer measuring performance of the coherent optical receiver and controlling the optical modulators, and a controller transmitting a control signal to the optical modulators.

Abstract: A bump structure includes a first bump and a second bump. The first bump is disposed on a connection pad of a substrate. The first bump includes a lower portion having a first width, a middle portion having a second width smaller than the first width, and an upper portion having a third width greater than the second width. The second bump is disposed on the upper portion of the first bump.

Abstract: A control method of a display apparatus is provided. The control method includes: detecting performance information of a communication service by the display apparatus; generating a plurality of home screens comprising an integrated communication service home screen, using the detected performance information the of the communication service; and when a predetermined user manipulation is received, displaying a display screen which displays the integrated communication service home screen and some regions of a home screen other than the integrated communication service home screen altogether.

Abstract: A method of controlling a display apparatus is provided. The method of controlling a display apparatus includes generating a display screen which displays a default home screen, from among a plurality of home screens, and a portion of a home screen, from among the plurality of home screens, different from the default home screen, when power to the display apparatus is turned on; and displaying the generated display screen.

Abstract: Disclosed are a laser radar system and a method for acquiring an image of a target, and the laser radar system includes: a beam source to emit the laser beam; a beam deflector disposed between the beam source and the target, and configured to deflect the laser beam emitted from the beam source in a scanning direction of the target as time elapses; and an optical detector configured to detect the laser beam reflected from the target, which is provided a plurality of beam spots having a diameter DRBS; and a receiving optical system disposed between the target and the optical detector and configured to converge the laser beam reflected from the target, and the optical detector includes a detecting area having a diameter DDA that satisfies an equation of ?{square root over (/2)}×PRBS+2×DRBS?DDA?2×Dlens and an equation of (4/?)×?×F_number<DRBS<Dlens.

Abstract: An electronic apparatus and a method of controlling the electronic apparatus are provided. The method includes: receiving a voice command; and if the voice command is a first voice start command, changing a mode of the electronic apparatus to a first voice task mode in which the electronic apparatus is controlled according to further voice input, and if the voice command is a second voice start command, changing the mode of the electronic apparatus to a second voice task mode in which the electronic apparatus is controlled according to the further voice input received via an external apparatus which operates with the electronic apparatus. Therefore, providing efficiency and flexibility in controlling the electronic apparatus by using a microphone of the electronic apparatus or a microphone of the external apparatus.

Abstract: Provided is a method of measuring signal transmission time difference of a measuring device. The measuring device according to embodiments, by measuring a skew on two optical paths through signal delays of sufficient sizes for skew measurement on the optical paths, even a skew having a minute size can be measured within a measureable range.

Abstract: A display apparatus includes: an image processor; a display unit; a remote controller which includes a touch input unit to detect motion of a user; a remote control signal receiver which receives a remote control signal from the remote controller corresponding to the motion of a user; and a controller which displays the content information window as if the content information window enters from an outside of a display area to an inside of the display area in accordance with the motion that a user moves from an outside of an area of the touch input unit to an inside of the area, or stops displaying the content information window as if the content information window exits from the inside of the display area to the outside of the display area in accordance with the motion that a user moves from the inside of the area of the touch input unit to the outside of the touch input unit.

Abstract: Provided are a remote controller and a method of controlling the remote controller, wherein the remote controller is operable to be in one of a first operating mode or a second operating mode, and which is connectable to a docking station, the remote controller including: an internal display screen, which displays at least one digital image; and a controller which may be operable to change between the first and second operating modes, wherein if the remote controller is connected to the docking station and if the remote controller is in the second operating mode, the controller controls the remote controller to change to the first operating mode to provide predetermined multimedia content.

Abstract: A control device is provided. The control device includes a first communication interface unit which transmits a control command in a first communication mode which uses a bi-directional wireless communication, a second communication interface unit which transmits a control command in a second communication mode which uses a unidirectional wireless communication, a state determination unit which determines a communication mode of the control device, a user interface unit which displays a user interface window which corresponds to a determined communication mode and receives the control command with respect to a broadcast receiver and a control unit which transmits the received control command according to the determined communication mode.

Abstract: A display apparatus and a method of providing a user interface (UI) thereof are provided. The method includes: displaying at least one item in a first area of a display screen; when one of the at least one item is selected, displaying a first sub screen corresponding to the selected item in a second area of the display screen and displaying at least one first lower item of the selected item; and when one of the at least one first lower item is selected, displaying a sub screen corresponding to the selected first lower item to overlap with at least a part of the first sub screen.

Abstract: Provided is an apparatus and method for measuring IQ imbalance, and in particular, is an apparatus and method for measuring IQ imbalance for an optical receiver. The apparatus for measuring IQ imbalance for an optical receiver includes a light generating unit generating optical and reference signals to provide the optical and reference signals to an optical receiver, a graph creating unit creating a Lissajous figure by using an in-phase (I) signal and a quadrature-phase (Q) signal output from the optical receiver in response to the optical and reference signals, and a calculating unit calculating IQ imbalance for the optical receiver with reference to the Lissajous figure.

Abstract: Provided is a photo detector. The photo detector includes: an avalanche photodiode; a bias circuit supplying a bias voltage to one end of the avalanche photodiode; a detection circuit connected to the other end of the avalanche photodiode and detecting a photoelectric current occurring in the avalanche photodiode; and a coupling capacitor connected to the one end or the other end of the avalanche photodiode and supplying a coupling voltage to drive the avalanche photodiode in a Geiger mode.

Abstract: A method for transmitting a message in the display apparatus includes, when a command is input from a user, displaying a user interface (UI) for generating a message, registering message information including message contents and an object to receive the message using the UI, and when the object to receive the message is identified, outputting the message contents.

Abstract: A display device and a list display method thereof are provided. In the list display method, a list including a plurality of items is displayed, and if a user's manipulation is input, a highlight displayed on one item of the plurality of items moves to another item in a direction corresponding to the user's manipulation, and moves the plurality of items in the opposite direction of the direction corresponding to the user's manipulation. Accordingly, the user may maintain continuity of search with respect to items included in a list even when moving a highlight.

Abstract: An electronic apparatus and a method of controlling the electronic apparatus are provided. The method includes: receiving a voice command; and if the voice command is a first voice start command, changing a mode of the electronic apparatus to a first voice task mode in which the electronic apparatus is controlled according to further voice input, and if the voice command is a second voice start command, changing the mode of the electronic apparatus to a second voice task mode in which the electronic apparatus is controlled according to the further voice input received via an external apparatus which operates with the electronic apparatus. Therefore, providing efficiency and flexibility in controlling the electronic apparatus by using a microphone of the electronic apparatus or a microphone of the external apparatus.

Abstract: The inventive concept provides avalanche photo diodes and methods of manufacturing the same. The avalanche photo diode may include a substrate, a light absorption layer formed on the substrate, a clad layer formed on the light absorption layer, an active region formed in the clad layer, a guard ring region formed around the active region, and an insulating region formed between the guard ring region and the active region.

Abstract: Provided is a polarization division multiplexed optical OFDM transmitter. The polarization division multiplexed optical OFDM transmitter includes a data demultiplexer, a training symbol generation unit and an optical up-converter and polarization division multiplexing unit. The data demultiplexer divides a transmission signal into a plurality of groups. The training symbol generation unit allocates a plurality of training symbols for each OFDM data which is included in the respective multiplexed groups, and allocates repetitive data in a time domain for the respective training symbols for data of 0 to periodically appear for the respective training symbols in a frequency domain. The optical up-converter and polarization division multiplexing unit performs optical frequency band conversion and polarization division multiplexing on an output of the training symbol generation unit to output a polarization division multiplexed optical OFDM signal corresponding to a plurality of polarization components.